How severe is CVE-2021-26905?

CVE-2021-26905 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-26905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26905?

CVE-2021-26905 affects 1password Scim Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26905?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-26905 published?

CVE-2021-26905 was published on 2021-02-08 and last updated on 2026-06-17.

CVE-2021-26905

CVE-2021-26905 is a medium-severity vulnerability in 1password Scim Bridge with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: 1password Scim Bridge
Published: 2021-02-08
Last modified: 2026-06-17

Description

1Password SCIM Bridge before 1.6.2 mishandles validation of authenticated requests for log files, leading to disclosure of a TLS private key.

Frequently asked questions

What is CVE-2021-26905?: 1Password SCIM Bridge before 1.6.2 mishandles validation of authenticated requests for log files, leading to disclosure of a TLS private key.
How severe is CVE-2021-26905?: CVE-2021-26905 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-26905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26905?: CVE-2021-26905 affects 1password Scim Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26905 published?: CVE-2021-26905 was published on 2021-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:1password:scim_bridge:*:*:*:*:*:*:*:*

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